WO2017017264A1 - Roue de ventilateur et module ventilateur de refroidissement - Google Patents

Roue de ventilateur et module ventilateur de refroidissement Download PDF

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Publication number
WO2017017264A1
WO2017017264A1 PCT/EP2016/068215 EP2016068215W WO2017017264A1 WO 2017017264 A1 WO2017017264 A1 WO 2017017264A1 EP 2016068215 W EP2016068215 W EP 2016068215W WO 2017017264 A1 WO2017017264 A1 WO 2017017264A1
Authority
WO
WIPO (PCT)
Prior art keywords
fan
flow
outer ring
blades
wheel
Prior art date
Application number
PCT/EP2016/068215
Other languages
German (de)
English (en)
Inventor
Nils Springer
Michael Mauss
Original Assignee
Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg filed Critical Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg
Priority to US15/744,132 priority Critical patent/US10563664B2/en
Publication of WO2017017264A1 publication Critical patent/WO2017017264A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/164—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/10—Guiding or ducting cooling-air, to, or from, liquid-to-air heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • F01P5/06—Guiding or ducting air to, or from, ducted fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • F04D29/326—Rotors specially for elastic fluids for axial flow pumps for axial flow fans comprising a rotating shroud
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • F04D29/327—Rotors specially for elastic fluids for axial flow pumps for axial flow fans with non identical blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F04D29/526—Details of the casing section radially opposing blade tips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence

Definitions

  • the present invention relates to a fan for a radiator fan module and a radiator fan module with a fan.
  • radiator fan modules are used to cool the engine in automobiles.
  • a radiator fan module usually consists of a fan wheel, in which a motor for driving the fan wheel is arranged, and a frame, which has mounting struts for fixing the fan wheel.
  • the fan of a radiator fan module is generally designed to generate an airflow to dissipate heat generated by the engine of a motor vehicle.
  • the gap flow designates the flow which forms between the fan wheel and the frame due to the pressure difference and which is twisty due to the rotation of the fan wheel.
  • the swirling gap flow counteracts the main flow, whereby the flow behavior of the radiator fan module is adversely affected. This Friedanströmung sometimes leads to a very high unwanted noise.
  • this object is achieved by a fan with the features of claim 1 and a radiator fan module having the features of claim 12.
  • a fan for a radiator fan module of a motor vehicle comprising:
  • the idea underlying the invention is to provide flow fins on the impeller outer ring.
  • the flow fins have no aerodynamic profile, like the fan blades.
  • the flow fins divert the return flow through the gap between the impeller outer ring and the frame in such a way that it connects with the main flow as turbulence-free and as ordered as possible.
  • the aerodynamic efficiency of the fan remains unchanged or substantially unchanged.
  • an acoustic improvement of the radiator fan module can be achieved by the flow fins of the fan, without negative effects on the aerodynamic properties of the fan.
  • a radiator fan module for a motor vehicle is provided with such a fan.
  • At least one flow fin is arranged between two adjacent fan blades.
  • the at least one flow fin overlaps at least partially with at least one of the two adjacent fan blades.
  • the at least one flow fin can also be arranged such that it does not overlap with any of the two adjacent impeller blades, nor does it partially overlap.
  • the advantage of overlapping is the formation of a flow channel between the airfoil and the flow fin, which leads to an improved flow around the blade tip.
  • An advantage of nonoverlapping is again that you can inject it well production technology.
  • the flow fins are arranged in the circumferential direction of the fan wheel outer ring and / or obliquely to the circumferential direction of the fan wheel outer ring on the underside thereof.
  • the fan blades each have an inner end and an outer end
  • the Lüfterradschaufeln are each arranged with its inner end to the hub and with its outer end on the underside of the fan outer ring.
  • the flow fins and the outer ends of the fan blades can be arranged parallel to each other in the circumferential direction.
  • the flow fins and / or the outer ends of the fan blades can be arranged on a common line in the circumferential direction of the fan wheel outer ring.
  • the flow fins and the outer ends of the fan blades can be arranged obliquely to the circumferential direction of the Lüfterrad- outer ring.
  • the flow fins and the outer ends of the fan blades can be the same
  • the fan is formed integrally, for example, as an injection molded part. This allows the fan to be made very easily and inexpensively with the additional flow fins.
  • the flow fins or a combination of fan outer ring and flow fins are attached as a separate component to the remaining fan.
  • a combination of outer fan ring and Strömungsfinnen can be attached to an existing fan very easily by gluing or friction welding.
  • Individual parts can be produced, for example, via 3D printing. Injection molding is the most common production option for the complete part.
  • the flow fins are each formed in a preferred embodiment of the invention as a flat plate with a constant thickness.
  • the thickness of the respective flow fin thus does not vary but is constant throughout or briefly constant.
  • the flow fins are formed as substantially or nearly flat plates, but have at least one portion or region in which the thickness of the flow fin is not constant but varies.
  • the ratio of the height h of the respective flow fin to the length 1 of the flow fin is preferably in a range between 5% ⁇ h / 1 ⁇ 25%. In this area there is a particularly favorable ratio of material expenditure to acoustic effect.
  • the flow fins deflect the return flow through the gap between the impeller outer ring and the frame in such a way that they are as free of turbulence as possible with the main flow. mung connects.
  • a significant reduction in noise can be achieved with a radiator fan module.
  • the ratio of the height h of the respective flow fin to the distance H of the impeller outer ring from the outside of the hub is in a range of preferably 3% ⁇ h / H ⁇ 20%. In this area, there is also a particularly favorable ratio of material costs to acoustic effect.
  • the respective flow fin for example, an arcuate and / or a quadrangular contour.
  • the flow fin may e.g. have at least one arcuate portion and / or at least one quadrangular section.
  • FIG. 8 shows: a front perspective view of a radiator fan module; a front view of a fan according to an embodiment of the invention; a sectional view through a frame and a received in the frame fan according to the invention; a detail of the fan of Figure 2 in a perspective view. a further section of the fan wheel according to FIG. 2; a further section of the fan wheel according to FIG. 2; a diagram in which a curve of a sum level and the rotational sound of a conventional fan and a fan according to the invention are shown as a function of the speed; a rear view of a fan according to an embodiment of the invention; a front view of the fan according to FIG. 8; a sectional view BB of the fan according to FIG. 8;
  • FIG. 11 is a sectional view CC of the fan according to FIG. a detail of a flow fin of the fan as shown in FIG. 8th ; a simplified cross-sectional view of a cross section of a flow fin of the fan wheel of FIG. 8; a further simplified cross-sectional view of a cross section of the flow fin according to FIG. 13; a section of another embodiment of a flow fin, as may be provided in the fan according to FIGS. 2 to 6 and 8 to 14;
  • FIGS. 16 shows a section of another embodiment of a flow fin, as may be provided in the fan wheel according to FIGS. 2 to 6 and 8 to 14;
  • FIG. 17 shows a section of a further embodiment of a flow fin, as may be provided in the fan wheel according to FIGS. 2 to 6 and 8 to 14;
  • FIGS. 18 shows a section of a still further exemplary embodiment of a flow fin, as may be provided in the fan wheel according to FIGS. 2 to 6 and 8 to 14.
  • the radiator fan module 1 shows a perspective front view of a radiator fan module 1.
  • the radiator fan module 1 has a frame 3, which in the example shown in FIG. 1 has a substantially rectangular shape. Within the frame 3, a recess or opening is provided, in which the fan 2 with fan blades 7 and a hub 8 is arranged. The fan 2 (not shown) via mounting struts attached to the frame 3.
  • radiator fan module 1 a fan according to the invention shown below with reference to FIGS. 2 to 6 can be used.
  • the invention is not limited to the specific radiator fan module, as shown in Fig. 1.
  • the fan according to the invention can be used with any suitable radiator fan module.
  • FIG. 2 is a purely schematic and greatly simplified view of an embodiment of a fan according to the invention. Rads 5 shown. The fan 5 is shown in Fig. 2 from its front 6, from where air is sucked in via the fan 5, as previously in the fan shown in Fig. 1.
  • the fan 5 of these embodiments shown in Fig. 2 has a plurality of fan blades 7, which extend from a hub 8 to the outside, ie in the radial direction.
  • the hub 8 is connected to a fan outer ring 9 via the Lüfterradschaufeln 7.
  • the fan blades 7 are in this case connected with its inner end 10 with the hub 8 and with its outer end 11 with the Lüfterrad- outer ring 9 and in particular its underside 12.
  • a motor is further provided, which drives the fan 5, so that it rotates about its longitudinal axis 13 as a rotation axis.
  • the fan 5 forms with its fan outer ring 9 and the frame a gap through which air which is sucked through the radiator fan module on the front of the fan 5, can flow back.
  • the gap between the outer fan ring 9 and the frame is shown by way of example in subsequent sectional views in FIG.
  • additional projections 15 are provided on the underside of the fan wheel outer ring 12.
  • the projections 15 are in the form of flow fins 16 or flow ribs.
  • the projections in the form of flow fins 16 or flow ribs between the Lüfterradschaufeln 7 on the impeller outer ring 9 are provided.
  • at least one flow fin 16 or flow rib is provided, for example, between each because two adjacent Lüfterradschaufeln 7 of the respective fan 5 is provided.
  • a reduction of approximately 4 dB (A) over the entire speed range of the radiator fan module may be achieved.
  • the flow fins 16 in the embodiments shown have no aerodynamic profile, so are no additional fan blades 7.
  • the flow fins 16 are instead formed as plate-shaped sheets.
  • the flow fins 16 aim for an acoustic improvement and have no aerodynamic profile in their geometry. Therefore, they do not increase the torque of the fan wheel 5 or only insignificantly.
  • the aerodynamic efficiency remains unchanged or essentially unchanged.
  • the acoustic improvement of the radiator fan module with such a fan 5 according to the invention can thus be achieved without negative influences on the aerodynamic properties of the fan 5.
  • an inventive fan with Stromungsfinnen (not shown) can be provided, which have an aerodynamic profile.
  • another fan according to the invention also flow fins without an aerodynamic profile and flow fins are provided with an aerodynamic profile, depending on the function and purpose.
  • Fig. 3 is a sectional view through a frame 3 and a received in the opening 17 of the frame 3 according to the invention fan 5 is shown.
  • the fan outer ring 9 forms a gap 14 with the frame 3, through which the air sucked in by the radiator fan module 1 on the front side 6 can flow back.
  • the return flow of the air to the back 25 of the fan 5 is indicated in Fig. 5 with arrows.
  • 5 and 6 are various perspective sectional views of the Lsymmetrical views 5 shown in FIG. 2 from the back 25 from.
  • the fan outer ring 9 has a first portion or base portion 18 which extends in the longitudinal direction or substantially in the longitudinal direction of the fan 5.
  • the fan wheel outer ring 9 has a further or second section 19 extending radially or substantially radially outward from the base section 18, as shown in the exemplary embodiment in FIGS. 4, 5 and 6. But this second section 19 can also be omitted.
  • the flow fins retain their positive effect on the acoustics even without the second section 19.
  • the fan blades 7 are attached with their outer ends 11, and in addition the flow fins 16.
  • the flow fins 16 can be formed integrally with the fan wheel outer ring 9 or be attached thereto as a separate part, eg by latching, gluing, pinning, and / or friction welding, etc. or any other suitable method.
  • the flow fins 16 are e.g. formed arched or curved, for example, as arcuate ribs as shown in FIGS. 3, 4 and 6 to 8, and in each case between two adjacent fan blades 7 on the underside 12 of the fan wheel outer ring 9 or its base portion 18 is arranged.
  • the flow fins 16 may in this case be positioned in the circumferential direction of the fan wheel outer ring 9 or at an angle to the circumferential direction of the fan wheel outer ring 9.
  • Fig. 4 two examples of a formed by the impeller outer ring 9 circle 20 with center on the axis of rotation of the fan 5 with a dash-dotted line or a dotted line are indicated.
  • the Stromungsfinnen 16 and the outer ends 11 of the Lüfterradschaufeln 7 parallel to each other for example, in the circumferential direction or obliquely placed to the circumferential direction.
  • the flow fins 16 may be arranged in the circumferential direction on the dotted line and the outer ends 11 of the fan blades 7 on the dotted line or vice versa. In this way, the flow fins 16 and the fan blades 7 extend with their outer ends 11 parallel to each other and further in the circumferential direction.
  • the flow fins 16 and the fan blades 7 can be provided with their respective outer ends 11 in parallel. Nander and be arranged obliquely to the circumferential direction of the Lüfterrad_Außenrings.
  • the flow fins 16 and / or the impeller blades 7 may be connected with their outer ends 11 on a common line, e.g. the dot-dash line 20 or the dotted line 20 in Fig. 4, to be arranged in the circumferential direction of the fan wheel outer ring 9.
  • the flow fins 16 and the outer ends 11 of the Lüfterradschaufeln 7 may be provided instead of parallel to each other also different obliquely to the circumferential direction of the Lüfterrad- outer ring 9, as with a dotted line greatly simplified and purely schematic in Fig. 5th is indicated.
  • the flow fins 16 may be formed in embodiments of the invention such that they do not overlap with any adjacent impeller vane 11 or at least partially overlap with at least one adjacent impeller vane 11, as indicated in FIG. 8.
  • the fan wheel 5 shown in each case in FIGS. 2-6 can be designed, for example, as a one-piece injection-molded part. Furthermore, it is also possible, for example, together with the flow fins 16 form the fan outer ring 9 as a separate part, which can be connected to a conventional fan. For example, the fan outer ring 9, for example, by gluing and / or friction welding, etc. are connected to the fan. Furthermore, FIG. 7 shows a diagram in which a profile 21 of the sum level of the conventional fan wheel and a corresponding curve 22 of the fan impeller according to the invention as shown in FIG. 2 are shown as a function of the fan speed when the respective fan wheel starts up. In addition, the course 23 of the rotary sound for the conventional fan and the corresponding course 24 for the fan according to the invention shown in FIG. 2 are shown.
  • the sum level of the fan impeller according to the invention is reduced by up to 4 dB compared to the conventional fan wheel.
  • the rotary sound of the fan according to the invention again remains almost unchanged compared to the conventional fan.
  • FIG. 8 shows a simplified rear view of a fan wheel 5 according to an embodiment of the invention
  • FIG. 9 shows a simplified front view of this fan wheel 5.
  • the fan wheel 5 according to FIGS. 8 and 9 has the same construction as the fan wheel according to FIG 2, 4, 5 and 6. Therefore, reference is made to the description of the fan wheel in particular in Figs. 2, 4, 5 and 6 and further to the description of Fig. 3, to avoid unnecessary repetition.
  • the radiator fan module 1 previously shown in Fig. 1, the fan wheel 5 shown in Figs. 8 to 14 can also be used.
  • the fan 5 according to FIGS. 8 and 9 differs from the fan shown in FIGS. 2 and 4 to 6 only by the smaller number of fan blades 7 and by the detailed illustration of the hub 8.
  • the design of the hub 8 of the fan 5 according to 8 and 9 is however by way of example and may have any other suitable for the hub of a fan design.
  • the fan 5 of the invention may have any number of fan blades 7, depending on the function and use - purpose.
  • the number of fan blades in the figures is merely exemplary and the fan according to the invention may include more or fewer fan blades than shown in the figures.
  • the fan 5 is shown in Fig. 8, as previously stated from its front side 6, from where air is sucked in via the fan 5, as previously in the fan shown in Fig. 1.
  • the Lüfterradschaufeln 7 of the fan 5 extend from the hub 8 to the outside, ie in the radial direction to the outside.
  • the hub 8 is connected to a Lüfterrad- outer ring 9 via the Lüfterradschaufeln 7.
  • the fan blades 7 are in this case connected with its inner end 10 with the hub 8 and with its outer end 11 with the Lüfterrad- outer ring 9 and in particular its underside 12.
  • a motor is providable, with which the fan 5 is driven, so that it rotates about its longitudinal axis 13 as a rotation axis.
  • the fan 5 forms with its fan outer ring 9 and the frame a gap through which air which is sucked through the radiator fan module on the front of the fan 5, can flow back.
  • An exemplary representation of such a gap between a fan outer ring and frame is exemplified in the sectional views previously in Fig. 3.
  • additional projections 15 are likewise provided on the underside of the fan wheel outer ring 12.
  • the projections 15 are formed in the form of Stromungsfinnen 16 or flow ribs.
  • the projections in the form of Stromungsfinnen 16 or flow ribs are provided between the Lüfterradschaufeln 7 on the fan outer ring 9.
  • at least one flow fin 16 or flow rib is provided, for example, between in each case two adjacent fan impeller blades 7 of the fan impeller 5.
  • several or at least two flow fins may be provided between two adjacent fan blades.
  • FIG. 10 shows a sectional view BB of the fan wheel 5 in FIG. 9 through its outer fan ring 12 and one of its flow fins 16.
  • FIG. 11 also shows a view of a further flow fin 16 of the fan wheel from below and in the direction of FIG Fan outer ring 12 seen.
  • FIG. 12 shows again a section of one of the flow fins of the fan wheel according to FIG. 9.
  • FIGS. 13 and 14 show different cross sections of the flow fin 16 according to FIG. 12, the cross section of the flow fin 16 shown in FIG 12 corresponds to the rectangular cross section in Fig. 13 and the cross section of the flow fin 16 in Fig. 12 indicated by a broken line corresponds to the rectangular cross section in Fig. 14.
  • the flow fins 16 in the embodiment shown in FIGS. 8 to 14 and the following exemplary embodiments in FIGS. 15 to 18 do not have an aerodynamic profile, ie are not additional fan blades 7. In other words, in contrast to the fan blades 7 The Stromungsfinnen 16 have no aerodynamic profile.
  • the flow fins 16, as shown in Figs. 8-18 and previously shown in Figs. 2-6, are instead formed as plates which are not curved but flat or flat, in contrast to e.g. previously shown in Fig. 5 curved fan blade. Accordingly, the respective flow fin 16 has a constant thickness. However, it is also conceivable that at least one of the flow fins in an embodiment (not shown) of the invention has at least one section in which the thickness of the flow fins is not constant but varies. For example, the outer edge of Stromungsfinne be rounded or rounded. However, the flow fin still has a flat or plate-like construction, similar to that of the flow fins shown in the figures.
  • the flow fins 16, as shown in Figs. 8-18 and previously shown in Figs. 2-6, are instead formed as plates which are not curved but flat or flat, in contrast to e.g. previously shown in Fig. 5 curved fan blade. Accordingly, the respective flow fin 16 has a constant thickness. However, it is also conceivable
  • the shape and / or dimensioning of the flow fins of the respective fan may be identical, as in the fan 5 in Figs. 8 to 14.
  • an inventive fan 5 instead of identical flow fins 16, as in the fan 5, for example in Figs to 14, also different Stromungsfinnen 16 have, which differ, for example, in terms of their shape and / or dimensions.
  • flow fines 16, as shown in FIGS. 12 to 18 are combined with a fan with each other.
  • the aerodynamic efficiency remains unchanged or essentially unchanged.
  • the acoustic improvement of the radiator fan module with such a fan 5 according to the invention can thus be achieved without negative influences on the aerodynamic properties of the fan 5.
  • a ratio of the height h of the flow fin 16 to the length 1 of the flow fin 16 is preferably 5% ⁇ h / 1 ⁇ 25%.
  • a particularly good result can be achieved in terms of the acoustic effect with low material consumption and low weight by the provision of the flow fins.
  • the invention is not limited to this preferred range.
  • the ratio h / 1 less than or equal to 5% or the ratio h / 1 equal to or greater than 25% can be selected, depending on the function and purpose.
  • a ratio of the height h of the flow fin 16 to the distance H of the fan wheel outer ring 9 is in a range of preferably 3% ⁇ h / H ⁇ 20%. In this area, too, a particularly good result can be achieved in terms of acoustic Effect with at the same time low material consumption and low weight by the provision of the flow fins.
  • the height h of the flow fin 16 is measured from the underside 12 of the fan wheel outer ring 9, on which the respective flow fin 16 is mounted, to the highest point of the flow fin 16.
  • the distance H of the fan wheel outer ring 9 is again measured from the underside 12 of the fan wheel outer ring 9 to the outside of the hub 8.
  • the invention is not limited to this preferred range.
  • the ratio h / H less than or equal to 3% or the ratio h / H equal to or greater than 20% can be selected, depending on the function and application.
  • the flow fin 16 may also have other shapes or contours, as shown in the embodiments of FIGS. 15-18 below.
  • the flow fin in Fig. 12 has an arcuate contour in which the height of the flow fin 16 at a first end 26 is e.g. increases from zero to a maximum height h and then decreases again to its other or second end 27 to a level of, for example, zero again.
  • FIG. 15 shows a section of a further embodiment of a flow fin 16, as may be provided on the underside 12 of the fan wheel outer ring 9 of the fan impeller 5 according to the invention as shown in FIGS. 2 to 6 and 8 to 14.
  • the flow fin 16 likewise has an arcuate contour, whereby, however, the height of the flow fin 16 initially also increases from the first end 26 to a maximum height h, and then remains constant in an adjoining region, and then up to the other second At the end of 27 decrease again to a height of eg
  • FIGS. 2 to 6 and 8 to 14 show a detail of another embodiment of a flow fin 16, as may be provided on the underside 12 of the fan wheel outer ring 9 of the fan impeller 5 according to the invention as shown in FIGS. 2 to 6 and 8 to 14.
  • the Stromungsfinne 16 has a quadrangular contour, the flow fin 16 has from its first end 26 to the second end 27 extending a constant height h.
  • FIG. 17 shows a section of a further embodiment of a flow fin 16, as may be provided on the underside 12 of the fan wheel outer ring 9 of the fan impeller 5 according to the invention as shown in FIGS. 2 to 6 and 8 to 14.
  • the Stromungsfinne 16 has an arcuate and a quadrangular section.
  • flow fin 16 at its first end 26 has, for example, equal to a maximum height h instead of a height of zero, the height initially remaining constant, e.g. up to the middle of the flow fin 16 before the flow fin decreases in height to its other or second end 27, e.g. steadily decreasing to, for example, zero.
  • FIG. 18 shows a section of a still further exemplary embodiment of a flow fin 16, as provided on the underside 12 of the fan wheel outer ring 9 of the fan impeller 5 according to the invention as shown in FIGS. 2 to 6 and 8 to 14 can be.
  • the flow fin 16 also has an arcuate and a quadrangular section. In this case, the flow fin 16 rises from its first end 26 from a height of, for example, zero to, for example, the center to its maximum height h, eg steadily, and then remains constant in height up to its other or second end 26.
  • the impeller according to the invention as shown in Figs. 2 to 6 and 8 to 18, be designed as a fan with non-sickled fan blades or as a fan with vorgeschichelten fan blades or as a fan with Wegrichtgesichelten fan blades, depending on the function and purpose.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

La présente invention concerne une roue (5) pour un module ventilateur de refroidissement (1) de véhicule à moteur, ainsi qu'un module ventilateur de refroidissement. Ladite roue de ventilateur comporte un moyeu (8), une bague externe (9), plusieurs aubes (7) de roue qui s'étendent du moyeu (8) vers l'extérieur et sont reliées entre elles par l'intermédiaire de la bague externe (9) de roue, et plusieurs ailettes d'écoulement (16) qui sont disposées sur la face inférieure (12) de la bague externe (9) de la roue de ventilateur, entre les aubes (7) de roue de ventilateur.
PCT/EP2016/068215 2015-07-29 2016-07-29 Roue de ventilateur et module ventilateur de refroidissement WO2017017264A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/744,132 US10563664B2 (en) 2015-07-29 2016-07-29 Fan impeller and radiator fan module

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015214356.2A DE102015214356A1 (de) 2015-07-29 2015-07-29 Lüfterrad und Kühlerlüftermodul
DE102015214356.2 2015-07-29

Publications (1)

Publication Number Publication Date
WO2017017264A1 true WO2017017264A1 (fr) 2017-02-02

Family

ID=56555397

Family Applications (1)

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PCT/EP2016/068215 WO2017017264A1 (fr) 2015-07-29 2016-07-29 Roue de ventilateur et module ventilateur de refroidissement

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US11767761B2 (en) 2018-08-02 2023-09-26 Horton, Inc. Low solidity vehicle cooling fan

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US20180202452A1 (en) 2018-07-19
DE102015214356A1 (de) 2017-02-02

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